Home / 68,778.11-94,918.33-38,565.37

Finding the Fourth Proportional to 68,778.11, 94,918.33 and 38,565.37

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Solution

The fourth proportional to 68,778.11, 94,918.33 and 38,565.37 is: 53,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,778.11 : 94,918.33 = 38,565.37 : x
  2. Step 2: Convert to fraction form
    68,778.11/94,918.33 = 38,565.37/x
  3. Step 3: Cross multiply
    68,778.11x = 94,918.33 × 38,565.37
  4. Step 4: Simplify right side
    68,778.11x = 3,660,560,149.17
  5. Step 5: Solve for x
    x = 3,660,560,149.17/68,778.11
  6. Step 6: Final answer
    x = 53,222.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.